RB52 12V 52Ah Deep Cycle Lithium Battery

Model #: RB52 SKU: RB52

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Product Description for RELiON RB52 12V 52Ah Deep Cycle Lithium Battery

RELiON RB52 12V 52Ah LiFePO4 Deep Cycle Lithium Battery – Premium Power Solution for Marine, Solar, RV, and Off-Grid Systems

Elevate your power reliability with the RELiON RB52 12V 52Ah LiFePO4 battery (Model: RB52), a lightweight, high-capacity deep cycle battery engineered for demanding marine, recreational, solar, and off-grid applications. Delivering 640Wh of energy with a 50A continuous discharge (100A peak for 7.5s), this battery provides 100% usable capacity, up to 10x longer life than lead-acid, and fast charging without compromising performance. Its advanced integrated Battery Management System (BMS) safeguards against overcharge, over-discharge, short circuits, and thermal extremes, ensuring safe, efficient operation in harsh environments with an IP67 waterproof enclosure. Key Features:

  • High-Capacity Performance: 50A continuous and 100A peak discharge, ideal for powering anchor systems, trolling motors, or solar arrays without derating.
  • Exceptional Cycle Life: Up to 3,500+ cycles at 80% depth of discharge, backed by a 10-year limited warranty for superior longevity and value.
  • Lightweight & Efficient: Just 13.7 lbs with 99% round-trip efficiency and <3% monthly self-discharge for easy handling and minimal upkeep.
  • Wide Temperature Resilience: Discharge from -4°F to 140°F (-20°C to 60°C), charge from -4°F to 113°F (-20°C to 45°C), and store from 23°F to 95°F (-5°C to 35°C) for all-season reliability.
  • Safe & Certified: UL1642 (cells), IEC62133 (cells), UKCA, CE, and UN 3480 compliant; non-toxic LiFePO4 chemistry with no gassing or fumes for eco-friendly, indoor-safe use.
  • Rugged IP67 Enclosure: Fully waterproof and dust-tight ABS case with M8 threaded terminals for secure, vibration-resistant connections.
  • Fast & Flexible Charging: Up to 50A max charge with PSOC tolerance and low internal resistance for quick, partial recharges.
  • Scalable & Compatible: Up to 4 in series; pairs seamlessly with Victron, Renogy, and other inverters for expanded 12V systems.

Specifications at a Glance:

  • Voltage: 12.8V; Capacity: 52Ah; Energy: 640Wh.
  • Discharge: 50A continuous, 100A peak (7.5s); Charge: 50A max.
  • Efficiency: 99%; Self-Discharge: <3% per month.
  • Dimensions: 7.8 x 6.5 x 6.8 in (197 x 166 x 173 mm); Weight: 13.7 lbs (6.2 kg).
  • Enclosure: IP67 ABS; Terminals: M8 x 1.25.

Pair this battery with our premium chargers and inverters for a complete, sustainable power ecosystem. Whether for marine adventures, RV excursions, or solar storage, the RB52 delivers unmatched efficiency, safety, and peace of mind. Order now and experience RELiON’s USA-engineered lithium excellence—stocked and ready to ship from lithiumion-batteries.com!

(For full technical details, download the datasheet or manual linked on the product page.)

Download Data Sheet